diff --git a/cardano-testnet/src/Testnet/Defaults.hs b/cardano-testnet/src/Testnet/Defaults.hs
index 4d232d3412f..526741706b8 100644
--- a/cardano-testnet/src/Testnet/Defaults.hs
+++ b/cardano-testnet/src/Testnet/Defaults.hs
@@ -32,7 +32,8 @@ module Testnet.Defaults
   , plutusV3SpendingScript
   ) where
 
-import           Cardano.Api (AnyCardanoEra (..), CardanoEra (..), File (..), pshow)
+import           Cardano.Api (AnyCardanoEra (..), CardanoEra (..), File (..), pshow,
+                   unsafeBoundedRational)
 import qualified Cardano.Api.Shelley as Api
 
 import           Cardano.Ledger.Alonzo.Core (PParams (..))
@@ -60,16 +61,13 @@ import qualified Data.Aeson as Aeson
 import qualified Data.Aeson.Key as Key
 import qualified Data.Aeson.KeyMap as KeyMapAeson
 import qualified Data.Default.Class as DefaultClass
-import           Data.Maybe
 import           Data.Proxy
 import           Data.Ratio
 import           Data.Scientific
 import           Data.Text (Text)
 import qualified Data.Text as Text
 import           Data.Time (UTCTime)
-import           Data.Typeable
 import qualified Data.Vector as Vector
-import           GHC.Stack
 import           Lens.Micro
 import           Numeric.Natural
 import           System.FilePath ((</>))
@@ -573,35 +571,13 @@ defaultDelegatorStakeKeyPair n =
     , signingKey = File $ "stake-delegators" </> ("delegator" <> show n) </> "staking.skey"
     }
 
--- TODO: We should not hardcode a script like this. We need to move
--- plutus-example from plutus apps to cardano-node-testnet. This will
--- let us directly compile the plutus validators and avoid bit rotting of
--- hardcoded plutus scripts.
 -- | Default plutus script that succeeds regardless of redeemer
--- NB: This cannot be used as a spending script
 plutusV3NonSpendingScript :: Text
 plutusV3NonSpendingScript =
-  Text.unlines ["{"
-               , "\"type\": \"PlutusScriptV3\""
-               , ",\"description\": \"\""
-               , ",\"cborHex\": \"4746010100228001\""
-               , "}"
-               ]
+  "{ \"type\": \"PlutusScriptV3\", \"description\": \"\", \"cborHex\": \"46450101002499\" }"
 
 -- | Default plutus spending script that succeeds regardless of redeemer
 plutusV3SpendingScript :: Text
 plutusV3SpendingScript =
-  Text.unlines ["{"
-               , "\"type\": \"PlutusScriptV3\""
-               , ",\"description\": \"\""
-               , ",\"cborHex\": \"484701010022280001\""
-               , "}"
-               ]
-
--- TODO: move to cardano-api
-unsafeBoundedRational :: forall r. (HasCallStack, Typeable r, BoundedRational r)
-                      => Rational
-                      -> r
-unsafeBoundedRational x = fromMaybe (error errMessage) $ boundRational x
-  where
-    errMessage = show (typeRep (Proxy @r)) <> " is out of bounds: " <> show x
+  "{ \"type\": \"PlutusScriptV3\", \"description\": \"\", \"cborHex\": \"46450101002499\" }"
+